<template>
  <div class="icons">
    <swiper :options="swiperOption">
        <swiper-slide v-for="(page, index) of pages" :key="index">
            <div class="icon"
                 v-for="item of page"
                 :key="item.id"
            >
                <div class='icon-img'>
                    <img class='icon-img-content' :src='item.imgUrl'/>
                </div>   
                <p class="icon-desc">{{item.desc}}</p>
            </div>  
        </swiper-slide>
    </swiper>
  </div>
</template>

<script>
  export default {
    name: 'HomeIcons',
    props: {
        list: Array
    },
    data () {
        return {
            swiperOption: {
                autoplay: false
            }
        }
    },
    computed: {
          pages () {
              const pages = []
              this.list.forEach((item, index) => {
                  const page = Math.floor(index / 8)
                  if(!pages[page]) {
                    pages[page] = []
                  }
                  pages[page].push(item)
              })
              return pages
          }
      }
  }
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
@import '~@/assets/styles/mixins.styl'
    .icons >>> .Swiper-container
        height: 0
        padding-bottom: 50%
    .icon
        position: relative
        overflow: hidden
        float: left
        width: 25%
        height: 0
        padding-bottom: 25%
        .icon-img
            position: absolute
            top: 0
            left: 0
            right: 0
            bottom: .99rem
            box-sizing: border-box
            padding : .1rem
            .icon-img-content
                display: block
                margin: 0 auto
                height: 100%
        .icon-desc
            position: absolute
            left: .30rem
            right: 0
            bottom: 0
            height: .70rem
            line-height: .44rem
            text-align: center
            font-size: 10px
            color: $darkTextColor
            ellipsis()
</style>